Jack started playing at Saddleworth Rangers and went on to win two Oldham Cups (2017, 2018) and reach the Lancashire Premier Play offs in 2018 and 2019. He was in the line up for the Under-16 match against NSW Country RL at the end of last year and playing the match at Headingley is his most memorable moment. In the new season, he aims to play half of the scholarship games and is looking to show off his running capabilities with the ball in hand.
He is the son of Leeds Rhinos legend and Director of Rugby Kevin Sinfield, who also came through the club’s Academy system.
If he didn’t play Rugby League he would turn professional in football, having played from the age of four, and he would go on holiday if he won the lottery.